NASA announced this morning the selection of Jezero crater for the landing site of the Mars 2020 mission. Jezero is a 45-kilometer-wide crater that once held a lake, and now holds a spectacular ancient river delta.

John Culberson, an 8-term Texas Republican and staunch supporter the search for life on Europa, lost his re-election bid last week. His support for Europa was attacked by opponents and could send a chilling political message about the consequences of supporting space science and exploration.